Diethyl 2-oxohexane-1,6-dicarboxylate

Ethyl 3-bromobenzoyl formate

Ethyl 5-acenaphthoylformate

Ethyl 4-tert-butyl-2,6-dimethylbenzoylformate

Ethyl 2-chloro-4-fluorobenzoylformate

Ethyl 2-chloro-6-methylbenzoylformate

Ethyl 2,4-difluorobenzoylformate

Ethyl 3-(N,N-dimethylamino)benzoylformate

Ethyl 4-(1,3-dioxan-2-yl)-3-fluorobenzoylformate

Ethyl 6-methoxy-2-naphthoylformate